package com.wc.AlgoOJ_train.train1.c1.A110;

import java.util.Scanner;

/**
 * @Author congge
 * @Date 2023/12/26 10:43
 * Bitset
 * http://43.138.190.70:8888/p/A110
 * @description
 */
public class Main {
    public static void main(String[] args) {
        Scanner sc=  new Scanner(System.in);
        while (sc.hasNextInt()){
            int n = sc.nextInt();
            System.out.println(Integer.toString(n, 2));
        }
    }
}
